Answer:
plants, particularly in terrestrial ecosystems, and algae in aquatic ecosystems. If the plants or other producers of an ecosystem were removed, there would be no way for energy to enter the food web, and the ecological community would collapse.
Enzymes involved in the breakdown of fats contribute to the reaction in which way? These enzymes -
O eliminate toxins produced by the reaction.
O increase the speed of the reaction.
O are completely consumed during the reaction.
O reduce the reactants needed for the reaction.
Answer:
...enzymes increase the speed of the reaction
Explanation:
In biological systems, enzymes are proteins that mediate chemical reactions. They increase the rate of chemical reactions, by lowering the activation energy, required for the reaction (eg. hydrolysing a bond) to occur.
Enzymes require the aid of cofactors, inorganic molecules to act as complements to enzymes. They cause structural changes that result in substrate recognition and binding. Here they act by breaking down large fat molecules into fatty acids and lipids.
What are the main differences in asexual/sexual reproduction? ( explain )
You have to actually have sex in order to reproduce(sexual reproduction) and for asexual reproduction sex is not needed
Answer: Sexual Reproduction can have Genetic Variation, while asexual reproduction will be identical from it's parent.
Explanation:
Cells the hollow out the medullary cavity
Answer:
Osteoclasts hollow out the medullary cavity
During the nitrogen cycle, plants take in nitrogen compounds through their .
Answer:
Roots
Explanation:
ive taken the test
Answer:
roots
Explanation:
Can the plant do cellular respiration?
Answer:
yes
Explanation:
plant cells perform cellular respiration to make energy
hope this helps
Answer:
yes
Explanation:
I need help on this question it’s my last one
Proteins are one of the substances produced by cells. Which organelle is responsible for storing the genetic information responsible for the production of proteins?
A. nucleus
B. lysosome
C.Golgi apparatus
D.endoplasmic reticulum
Answer:
b
Explanation:
The organelle that is responsible for storing the genetic information responsible for the production of proteins is nucleus. The correct option is A.
What is nucleus?A nucleus is the membrane-enclosed organelle inside a cell that residences the chromosomes in genomics.
The nuclear membrane includes a collection of holes or pores that allow specific molecules to pass further and leave the nucleus.
The nucleus regulates and controls the activities of the cell and contains the genes, which contain hereditary information.
Ribosomes in eukaryotes receive protein synthesis orders from the nucleus, in which sections of DNA are transcribed to produce messenger RNAs (mRNAs).
An mRNA is transported to the ribosome, that also uses the information contained within it to construct a protein with a specific amino acid sequence.
Thus, the correct option is A.
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What role does O2 play in aerobic cellular respiration?
A) it combines with carbon dioxide to form ATP
B)it combines with acetyl-CoA at the start of the Krebs cycle
C)it is an important part of the electron transport system
Many plants can grow in the littoral zone of a lake because
a. sunlight reaches its bottom.
b. there are no algae.
C. there are no animals.
d. there is both salt water and fresh water.
Answer:
A
Explanation:
The littoral zone is the near shore area where sunlight penetrates all the way to the sediment and allows aquatic plants to grow
13. Which organelle is the site for the cellular process of photosynthesis?
a. Nucleus
b. Mitochondria
c. Chloroplast
d. Cytoplasm
Answer:
C
Explanation:
The Chloroplast is part of the photosynthesis.
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What features between birds and theropods would be considered homologous structures?
If a hemophiliac man marries a woman who is not a carrier, is there a chance that any child will have the disease ?
Answer:
Almost all people with hemophilia are male, however, women can be carriers of the disease. and yes there's a chance that a child will get a disease from a woman.
Explanation:
An ant and a stone are on a circular disc, which is rotating at a constant speed. The stone is fixed to the disc. The ant is moving along the rim in the opposite direction and at the same speed as that of the disc. Which of these shows the position of the ant and the stone after the disc completes 3/4th of a revolution?
Find attached the options
Answer:
The option B in the attached is correct
Explanation:
In the given scenario the ant and stone are on the same disc and the stone is fixed.
The disc is moving at a constant speed in a clockwise direction while the ant is moving in the opposite direction.
The starting position is also attached with the ant opposite the stone.
So for a full rotation the ant would have gone round and met up with the stone.
If the disc completes a 3/4th revolution it will be at the position in B. The ant would have gotten to the stone by half revolution, and by 3/4th revolution it would have gone a quarter of the disc from the stone as shown
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Cellulose is a type of(
grass.
protein.
lipid.
carbohydrate.
Cellulose is a type of carbohydrate. Thus option D is correct.
What is cellulose ?
Cellulose is a complex unbranched kind of glucose, a residue polymer formed via beta-1,4 glycosidic connections. It has a chemical formula (C6H10O5)n.
This chiral organic compound is tasteless, odor less, water-soluble and biodegradable.
There are huge application of cellulose in different sectors like paper, textiles, pharmaceuticals, and insulation.
The major classification are monosaccharides which can not be hydrolyzed into simple polyhydroxy aldehydes or ketone units for example glucose, fructose etc.
Oligosaccharides release 2 to 10 monosaccharide units after hydrolysis like Sucrose, maltose.
Polysaccharides are joined by a large number of monosaccharides by glycosidic bond such as starch, cellulose, glycogen.
Three types of major polysaccharides are starch main storage of plants, a polymer of alpha- Glucose and have amylose and amylopectin.
Glycogen are the main storage in animal body and their structure is similar to amylopectin.
Thus option D is correct.
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Lyme disease is spread by ticks that attach to an animal to feed. Which describes the role of the tick?
Lyme disease is spread by ticks that attach to an animal to feed, and ticks play a critical role in the transmission of Lyme disease, as ticks are external parasites that feed on the blood of animals, including humans, and can transmit infectious diseases as they feed; this is option C.
What is a tick?When an infected tick attaches itself to an animal, it can transmit the bacterium responsible for Lyme disease, which is called Borrelia burgdorferi. The bacterium is typically present in the tick's saliva, and it can be transmitted to the animal as the tick feeds on its blood. Once the bacterium enters the animal's bloodstream, it can spread throughout the body and cause a range of symptoms, including fever, headache, fatigue, and a characteristic bullseye rash. Ticks play a critical role in the transmission of Lyme disease because they serve as both a vector and a reservoir for the bacterium.
Hence, ticks play a critical role in the transmission of Lyme disease, as ticks are external parasites that feed on the blood of animals, including humans, and can transmit infectious diseases as they feed; this is option C.
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complete question is below
Lyme disease is spread by ticks that attach to an animal to feed. Which describes the role of the tick?
A)SKIN
B)ABDOMEN
C)ticks are external parasites that feed on the blood of animals, including humans, and can transmit infectious diseases as they feed
What are the major events that occur during the light reaction in the
photosynthesis stage?
SELECT ALL THAT APPLY
a Water is split.
b Oxygen gas is released.
C NADPH and ATP are used.
d NADPH and ATP are produced.
Answer:
A, B and D
Explanation:
Answer and you’ll see.
Plants and other living things employ a process called photosynthesis to transform light energy into chemical energy that can then be released through cellular respiration to power the organism's activities.
What key things happen in the photosynthesis stage's light reaction?When chlorophyll absorbs light energy during the light-dependent stage ("light" reactions), some electrons in the pigment molecules are excited to higher energy levels; these electrons then leave the chlorophyll and pass through a series of molecules, resulting in the formation of NADPH (an enzyme) and high-energy ATP molecules.
The light processes convert solar energy into chemical energy, which is then stored in NADPH and ATP molecules. As a byproduct of the light processes, oxygen gas is also released.
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Modify the existing vector's contents, by erasing the element at index 1 (initially 200), then inserting 100 and 102 in the shown locations. use vector adt's erase() and insert() only, and remember that the first argument of those functions is special, involving an iterator and not just an integer. sample output of below program:
Answer:
Following are the code to this question:
#include <iostream>//defining header file
#include <vector>//defining header file
using namespace std;
void PrintVectors(vector<int> numsList)//defining a method PrintVectors that accept an array
{
int j;//defining integer variable
for (j = 0; j < numsList.size(); ++j)//defining for loop for print array value
{
cout << numsList.at(j) << " ";//print array
}
cout << endl;
}
int main()//defining main method
{
vector<int> numsList;//defining array numsList
numsList.push_back(101);//use push_back method to insert value in array
numsList.push_back(200);//use push_back method to insert value in array
numsList.push_back(103);//use push_back method to insert value in array
numsList.erase(numsList.begin()+1);//use erase method to remove value from array
numsList.insert(numsList.begin(), 100);//use insert method to add value in array
numsList.insert(numsList.begin()+2, 102);//use insert method to add value in array
PrintVectors(numsList);//use PrintVectors method print array value
return 0;
}
Output:
100 101 102 103
Explanation:
In the above-given code, inside the main method an integer array "numList" is defined, that use insert method to insert value and use the erase method to remove value from the array and at the last "PrintVectors" method is called that accepts a "numList" in its parameter. In the "PrintVectors" method, a for loop is declared, that prints the array values.
If the DNA sequence is AAG TCG. What is the RNA complimentary sequence?
(1 Point)
O a. UUC AGC
b. TTG AGC
ACUUG AGC
Answer:
Complementary RNA (cRNA) is a copy of a strand of RNA that will bind to the appropriate region of the original molecule. If the original RNA stand had a base sequence of AUU, for example, the sequence of the cRNA strand would be UAA.
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How does Mathilde's personality change after she has to struggle to pay back the replacement necklace?
WHO and WHEN proposed the Model of the Atom we believe in today?
Answer:
Atoms are so small that it is difficult to believe that all matter is made from atoms—but it is. The concept that atoms play a fundamental role in chemistry is formalized by the modern atomic theory, first stated by John Dalton, an English scientist, in 1808.
Explanation:
Which is the best definition of activation energy?
the energy required to end a chemical reaction
the energy required to bind a substrate to an active site
the energy required to form or break the bonds of reactant molecules
the energy required to re-form bonds in product molecules
Answer:
the energy required to form or break the bonds of reactant molecules
Explanation:
Activation energy is defined as the force needed to bind a substrate to an active site. So, the correct option is B.
What is Activation energy?The bare minimum of energy required for compounds to undergo a chemical reaction is known as the activation energy. In terms of joules per mole, kilojoules per mole, or kilocalories per mole, a reaction's activation energy is quantified. Activation energy is defined as the force needed to bind a substrate to an active site.
The difference in energy content among atoms or molecules inside an activated or transition-state configuration compared to atoms and molecules in their original configuration is known as the activation energy in transition-state theory.
Therefore, the correct option is B.
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Which statement best describes enzymes?
1.
Every enzyme controls many different reactions.
2.
The rate of activity of an enzyme might change as pH changes.
3.
Temperature changes do not affect enzymes.
4.
Enzymes are produced from the building blocks of carbohydrates.
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Answer: The rate of an enzyme might change as pH changes
Explanation:
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Describe a possible function for cilia in your intestines.
Answer:
Keep the airways clear of mucus and dirt, allowing us to breathe easily and without irritation.
Which of the following choices is not a type of physical weathering?
A)oxidation
B)heating and cooling of rocks
C)ice formation
D)burrowing animals
Answer:
A. Oxidation
Explanation:
Oxidation is a type of chemical weathering, not physical.
A biologist measures the allele frequencies of pea plants in a very controlled
environment. The plants can either have a dominant tall allele (T) or a
recessive short allele (t). Which of the following would be a reason that this
population is not at Hardy-Weinberg equilibrium?
A. There are no mutations in the alleles for height.
B. Both alleles ensure equal survival.
C. The pea flowers are pollinated at random.
O D. One plant pollinates more flowers than the others.
Answer: The answer is D. One plant pollinates more flowers than the others.
Explanation:
Evaluate StartFraction 8 (6 + 5) over 2 squared EndFraction + 6(2).
Answer:
For anyone who needs a real answer the answer is B:34
Explanation:
Answer:
B=34
Explanation:
2. Identify one simple machine used at your home and explain how it makes your work easier
Answer:
My washer.
Explanation:
It saves me time because need to spend hours with a washing board.
Answer:
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How could a mutation or change in a DNA sequence impact the overall function of a cell?
Answer:
DNA is a dynamic and adaptable molecule. As such, the nucleotide sequences found within it are subject to change as the result of a phenomenon called mutation. Depending on how a particular mutation modifies an organism's genetic makeup, it can prove harmless, helpful, or even hurtful.
Explanation:
Which field of psychology would be most interested in the study of dreams?
a) cognitive
b) sociocultural
c) behavioral
d) none of these
